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5—Overview of the Electrical Interface

Tau 640 User’s Manual

5-4

June 2011

TAU-0640-00-10, version 110

5.6 Parallel Digital Data Channel

The Tau 640 camera provides a digital parallel channel with real-time parallel digital video. The 
XP-Bus may be configured for either CMOS or BT.656 format. Information regarding the digital 
data interface is provided in Chapter 4. 

Содержание Tau 640

Страница 1: ...ained in this document is proprietary and or restricted and pertains to a dual use product controlled for export by the Export Administration Regulations EAR This document and data disclosed herein or...

Страница 2: ...ide reasonable protection against interference to radio communications See 47 C F R 2 803 and 15 1 et seq Industry Canada Notice This device is a subassembly designed for incorporation into other prod...

Страница 3: ...ded 2 4 3 Basic Operation of the Tau 640 and GUI 3 1 Operation of the Tau 640 Camera using the USB Interface 3 1 3 2 Remote control of the Tau 640 Camera 3 3 3 3 Installing the FLIR Camera Controller...

Страница 4: ...Description of Serial Commands B 12 Appendix C Tau 640 with Photon Accessories C 1 Operation of the Tau 640 camera using the Photon Accessory Kit C 1 C 2 Remote control of the Tau 640 camera C 2 C 3...

Страница 5: ...MFC The FLIR Camera Controller GUI is an example of an application created using the SDK See Software Accessory SDK for Windows Embedded on page 2 4 Figure 1 1 Tau 640 Cameras The camera provides pow...

Страница 6: ...coated Resolution f FOV H V Weight with lens 13 mm 640 480 NTSC 640 512 PAL 1 25 45 37 80 g 19 mm 640 480 NTSC 640 512 PAL 1 25 32 26 80 g 25 mm 640 480 NTSC 640 512 PAL 1 4 25 20 106 g 35 mm 640 480...

Страница 7: ...HFOV 100mm Lens 6 2 HFOV 390 meters Detection 95 meters Recognition 47 meters Identification 570 meters Detection 144 meters Recognition 72 meters Identification 820 meters Detection 210 meters Recog...

Страница 8: ...e customers only or PAL 640 512 8 3Hz Slow Video rate or 25Hz US and Export License customers only Note Digital video output 8 or 14 bit serial LVDS CMOS or BT 656 Remote camera control RS 232 interfa...

Страница 9: ...unpacking the camera please heed customary electrostatic discharge ESD sensitive device precautions including static safe work station and proper grounding The Tau 640 camera is packaged in foam to pr...

Страница 10: ...1 Introduction Tau 640 User s Manual 1 6 June 2011 TAU 0640 00 10 version 110...

Страница 11: ...video and mounting screws For instructions on installing the VPC Module refer to paragraph 3 1 1 Installing the VPC Module on page 3 1 Figure 2 1 Tau 640 Camera and VPC Module Accessory Kit Figure 2 2...

Страница 12: ...Figure 2 3 Note that Camera Link cable frame grabber or capture software are not included For instructions on installing the Camera Link module refer to paragraph 3 1 2 Installing the Camera Link Mod...

Страница 13: ...g and make the Tau 640 camera more susceptible to corrosion The lock nut tool will attach to a torque wrench for proper tightening Torque the locking ring to 4 0 in lbs 2 4 Tripod Mount for Tau 640 Ca...

Страница 14: ...amera and stored into a file on the PC then the new calibration data is downloaded and stored directly into the camera Multiple calibration files can be stored on the host computer The original factor...

Страница 15: ...550 mA at 5V Power over USB Camera Link nominal draw 270 mA at 5 V peak load at startup 550 mA at 5V Serial communications baud rate 57600 Baud or 921600 Baud Hot swap protected Windows Service for au...

Страница 16: ...the Base Camera Link standard and should be compatible with any brand Camera Link Frame Grabber and software The FLIR Camera Controller allows you to control the Tau Camera but does not support Camera...

Страница 17: ...he Serial Communication Protocol and command structure defined in Appendix B This requires programming skills and a strong technical background The FLIR Camera Controller GUI is offered as a free down...

Страница 18: ...favorite WWW browser navigate to the following URL www flir com cvs cores resources software tau Step 3 Click the Tau GUI link Step 4 When the File Download prompt appears choose Save It is recommend...

Страница 19: ...I TAU 0640 00 10 version 110 June 2011 3 5 Step 9 Select a Destination Folder if different than the default Then click Next Step 10 Review the settings you have entered for this installation Then clic...

Страница 20: ...USB driver installer will start at this point Click Next at the Setup Welcome screen When the installer finishes loading Follow the prompts to finish the installation Step 13 Installation is complete...

Страница 21: ...you should see video on your monitor Verify that the camera is producing an image Step 2 Launch the FLIR Camera Controller GUI software by selecting Start Programs FLIR Systems Camera Controller GUI N...

Страница 22: ...lecting Connect from the Camera menu Step 4 If you want the FLIR Camera Controller GUI to automatically connect when it is started select Settings from the Tools menu then check the Automatically conn...

Страница 23: ...Baud rate set correctly Baud rate must be set in the Tools Connection dialog box The Tau 640 camera supports Baud rates of 57600 and 921600 Is the port already in use by another application Shut down...

Страница 24: ...should see Camera and FPA status The GUI provides five tabs allowing for camera control as described below Camera Part indicates the specific camera configuration connected Camera Serial This is the s...

Страница 25: ...lity to do the following Modify the Flat Field Correction FFC Set the External Sync mode Freeze the video via the Operating Mode section Populate the Scratch Pad with text Set the camera to generate a...

Страница 26: ...mes that trigger automatic FFC The temperature change is specified in degrees with valid values in the range 0 to 100 in 0 1 degree increments The time period is specified in analog video frames 33ms...

Страница 27: ...camera will continue the output cycle until the frame is complete The frame sync signal embedded in the respective digital output should be used to acquire digital data not the external sync I O Maxim...

Страница 28: ...mode This is the normal mode for viewing thermal imagery Ramp In this ramp mode the test pattern shown below and in the Color LUT section that follows is provided at the analog and digital data chann...

Страница 29: ...deo tab on the FLIR Camera Controller GUI shown below provides the ability to modify Tau 640 camera modes Image Orientation Dynamic Digital Detail Enhancement DDE Pan Zoom Video On Off Polarity LUT Vi...

Страница 30: ...ng the zoom effect For NTSC and PAL video formats in 2 zoom mode 320 240 and 320 256 pixels respectively are mapped to the analog video output When the Zoom 4x box is checked 160 120 NTSC and 160 128...

Страница 31: ...tails to be visible in high dynamic range scenes without increasing temporal and fixed pattern noise in low dynamic range scenes The DDE filter operates independently from the AGC and will enhance edg...

Страница 32: ...tween these two modes simply reverses the choice of darker or lighter for temperature extremes this is sometimes referred to as Polarity Other color LUTs are available as shown below Figure 3 7 shows...

Страница 33: ...se modes will have no effect on the analog NTSC or PAL signal In order to access the digital output you must use an advanced interface as described in Chapter 4 Tau 640 Digital Data Channel See the Ta...

Страница 34: ...and does not include the Dynamic Detail Enhancement DDE or bad pixel replacement The 14 bit data is the raw data and will also appear gray when saving 16 bit TIFF files See Tau 640 Digital Data Chann...

Страница 35: ...a bmp format click the Save Currently Displayed Image button to save a 14 Bit image right clicking in the image and select save Save Currently Displayed Image Button saves an 8 bit bmp file as descri...

Страница 36: ...egion of Interest ROI for the AGC mode is adjustable as well see paragraph 3 12 Note FLIR has invested heavily in designing high quality AGC algorithms The default mode Automatic along with the defaul...

Страница 37: ...nge in a given scene is not divided evenly across the grey levels sent to be displayed Instead the AGC algorithm analyzes the scene and distributes the dynamic range to best preserve statistical scene...

Страница 38: ...ich Algorithm is selected Each of their settings is described above Once Bright Only the Contrast control is active Auto Bright The Brightness Bias and Contrast controls are active Manual The Brightne...

Страница 39: ...e sensor array that the AGC algorithm will use for its calculations The ROI can be set for either the entire frame size 0 0 640 512 or some smaller portion as shown below The ROI tab shown in Figure 3...

Страница 40: ...of the ROI rectangle The lower two numbers marked right bottom define the lower right corner of the ROI rectangle In the example at the right the ROI is specified as a ROI rectangle 66 65 pixels loca...

Страница 41: ...V CMOS logic and are intended to drive boards mounted directly to the Tau 640 camera The BT 656 output is not intended to drive a cable Table 4 1 shows the connector pin definitions with BT 656 enabl...

Страница 42: ...Field 1 F 0 Odd Field 2 F 1 Even Line Number F V H EAV V SAV 4 20 21 263 264 265 266 282 283 525 0 0 0 1 1 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1440 clocks 20 blank lines 243 active lines 19 blank lines 243...

Страница 43: ...tive going edge to this pin shall perform the Do FFC function 0x12 command Note 4 This pin is normally at 0 V and changes to 3 3 V when the FFC imminent icon is present on the analog display The FFC_W...

Страница 44: ...ins should be unloaded when using the CMOS output Table 4 3 50 pin Hirose connector interface with CMOS output enabled Pin Signal Name Pin Signal Name 1 RS232_TX 2 RS232_RX 3 CMOS_LINE_VALID 4 CMOS_FR...

Страница 45: ...95 062 nsec 10 519 MHz ts_RE 6 7th clock ts_RE ts_FE Figure 4 2 CMOS Line Timing normal clock configuration Note Figure is not to scale CLK duty cycle is 4 7 Data may be latched on the rising or falli...

Страница 46: ...sampled so that the output is equivalent to Pixel1 Pixel1 Pixel2 Pixel2 Pixel3 Pixel3 Pixel638 Pixel 638 Pixel639 Pixel639 in each row The Frame Valid clock it true during valid lines of data The Lin...

Страница 47: ...provided on the analog video channel and is therefore more appropriate than the 14 bit data for interfacing to a digital display The digital data channel employs serial low voltage differential signal...

Страница 48: ...ing the camera configuration file included with the SIPO module Step 4 Reapply power to the Interface Module This will power up both the Tau 640 camera and the SIPO module and digital data will begin...

Страница 49: ...ure 4 5 14 bit and 8 bit timing and format are identical except only 8 bits LSBs are available in 8 bit mode Port 2 is currently undefined do not connect to these signals The LVDS Data_Out transitions...

Страница 50: ...e time Frame time Line time Idle time Figure 4 5 Digital Data Format SD_FSYNC SD_FSYNC Inverted Mode Toc 1 to 5 ns SD_CLK SD_DATA Toc 1 to 5 ns SD_CLK SD_DATA Normal Mode Figure 4 6 Detailed Digital D...

Страница 51: ...r on It is the responsibility of the systems integrator to verify EMI EMC compliance at the system level 5 2 Hirose 50 Pin Connector In the Tau 640 camera s simplest form no accessories attached one c...

Страница 52: ...P Not Used 8 LVDS_RX0_N Not Used 9 LVDS_TX0_P Digital Port1 clock positive output 10 LVDS_TX0_N Digital Port1 clock negative output 11 LVDS_TX1_P Digital Port1 Sync Positive output 12 LVDS_TX1_N Digit...

Страница 53: ...put signal Specific video characteristics are given in the table below Note 5 4 Command and Control Channel Remote control of the Tau 640 camera is provided via a RS 232 serial interface consisting of...

Страница 54: ...0 00 10 version 110 5 6 Parallel Digital Data Channel The Tau 640 camera provides a digital parallel channel with real time parallel digital video The XP Bus may be configured for either CMOS or BT 65...

Страница 55: ...to Three Row DB 15 Female Table A 1 I O Module Power Connector Pin Out Pin Signal Name Signal Definition Pin PWR input power Sleeve PWR_RTN input power return Table A 2 I O Module Video Connector Pin...

Страница 56: ...T Digital data 2 output channel LVDS high 4 DATA_CLK Digital output channel clock LVDS high 6 DATA_SYNC Digital data sync LVDS low 7 DATA1_OUT Digital data 1 output channel LVDS low 8 DATA2_OUT Digita...

Страница 57: ...timeout is factory set to 100ms Only use the function commands listed in Table B 4 Unsupported commands may corrupt the camera s software For reference only a sample command and response is shown in...

Страница 58: ...See argument data bytes in Table B 4 Data N Data N 1 CRC2 MSB N 2 CRC2 LSB Table B 3 Status Byte Definition Status Byte Value hex Definition Description 0x00 CAM_OK Function executed 0x01 CAM _BUSY Ca...

Страница 59: ...echo back the Function Byte of the previous incoming message For all commands in which the byte count is listed in Table B 4 as either 0 or some non zero value the camera will change the value of the...

Страница 60: ...h word sensor S N Bytes 6 7 Low word sensor S N 0x05 GET_REVISION Gets the firmware software version cmd 0 None Resp 8 Bytes 0 1 S W major version Bytes 2 3 S W minor version Bytes 4 5 F W major versi...

Страница 61: ...Cmd 4 Resp 4 Bytes 0 1 Temp delta high gain Bytes 2 3 Temp delta low gain 0x0F VIDEO_MODE Gets and sets the video signal mode Setting Freeze frame freezes the image Setting Zoom zooms the image by 2x...

Страница 62: ...e 1 0x00 Byte 0 LVDS channel setting 0x00 14 bit data 0x01 8 bit data 0x02 digital off 0x03 14 bit unfiltered 0x04 8 bit inverted 0x05 14 bit inverted 0x06 14 bit inverted unfiltered Get the XP bus mo...

Страница 63: ...Valid range is 2048 to 2048 decimal MSB is the sign bit Get Cmd 0 None Set Cmd 2 Resp 2 Brightness bias value 2 s complement 0x0000 to 0x0FFF Set Cmd 2 Resp 2 0x0000 disabled off 0x0001 on Fahrenheit...

Страница 64: ...0x0008 ramp with steps 0x26 VIDEO_COLOR_MODE Gets or sets video Color mode color or monochrome Get Cmd 0 None Set Cmd 2 Resp 2 0x0000 monchrome 0x0001 color 0x2A GET_SPOT_METER Returns the value of th...

Страница 65: ...ntains the normal ROI 2X zoom ROI 4X zoom ROI and 8X zoom ROI Resp 8 Bytes 0 1 Left Bytes 2 3 Top Bytes 4 5 Right Bytes 6 7 Bottom Get Cmd 2 Don t care Set Cmd 24 Resp 24 Bytes 0 1 Left normal ROI Byt...

Страница 66: ...x2C DDE_GAIN Sets the gain of the DDE filter input only in manual mode In automatic mode this is set internally A DDE_GAIN setting of 0 turns off DDE and bad pixel replacement Get Cmd 0 None Set Cmd 2...

Страница 67: ...he FFC_MODE_SELECT 0x0B command is issued to the camera to set the mode to Auto 0x01 and to get the FFC mode The number of data bytes in the packet is not equal to the total number of bytes in the pac...

Страница 68: ...ds by one row and a tilt value of 1 tilts upwards by one row from the center of the image When the image is being panned or tilted the ROI moves along with these coordinates The limits for the zoom RO...

Страница 69: ...between 18 and 39 sets the imaging mode DDE Gain between 16 and 40 A Dynamic DDE setting of 40 or greater provides maximum enhancement but image artifacts may also be enhanced giving an image with som...

Страница 70: ...Appendix B Serial Communication Technical Details Tau 640 User s Manual B 14 June 2011 TAU 0640 00 10 version 110...

Страница 71: ...connector on the I O Module labeled CAMERA Attach one end of a standard BNC cable to the video port labeled VIDEO on the I O Module Attach the other end to a compatible video monitor s composite video...

Страница 72: ...ort or you must use one of the Tau 640 USB accessories VPC module or Camera Link module High speed communication 921600 Baud is possible using the USB accessories Note If your embedded or specialty ap...

Страница 73: ...sales representative or application engineer Figure D 1 and Figure D 2 provide important mechanical information for lens designers M2 0 x 0 4 Alignment holes Vacuum window 0 026 Silicon Focal Plane su...

Страница 74: ...ntains important mechanical interface data as well 085 007 2 159 0 178 542 005 279 020 7 089 0 508 026 Si WINDOW 457 012 007 IMAGE PLANE TO MTG SURFACE 005 MTG SURFACE TO FRONT OF LENS HOLDER M24x0 5...

Страница 75: ...X ANGULAR 5 DWG NO REV PROJECT NO DATE APPROVALS DWN CHK DSGN CAGE SIZE TITLE FLIR Systems Inc 70 Castilian Drive Goleta CA 93117 ENG UNLESS OTHERWISE SPECIFIED ALL MEASUREMENTS ARE IN MM ALL DIMENSIO...

Страница 76: ...FoV 640x512 39 6 014 M A B M C 020 B A C 010 B A D 827 21 1 308 33 22 1 50 B 38 1 50 38 558 14 17 2X M1 6 X 35 6H THREAD MINOR DIAMETER OPTICAL C L PIN 2 PIN 1 PIN 49 PIN 50 020 A B M C 010 A C OPTIC...

Страница 77: ...21 1 308 33 22 1 50 B 38 1 50 38 558 14 17 2X M1 6 X 35 6H THREAD MINOR DIAMETER OPTICAL C L PIN 2 PIN 1 PIN 49 PIN 50 020 A B M C 010 A C OPTICAL C L REVISIONS ZONE REV DESCRIPTION DATE APPROVED P01...

Страница 78: ...0 OPTICAL C L 020 A B M C 010 A C B REVISIONS ZONE REV DESCRIPTION DATE APPROVED P01 PRELIMINARY 10 6 2009 P01 THIS DOCUMENT IS CONTROLLED TO FLIR TECHNOLOGY LEVEL 1 LBS IDD TAU 640x512 CAMERA CORE 25...

Страница 79: ...OPTICAL C L 020 A B M C 010 A C B REVISIONS ZONE REV DESCRIPTION DATE APPROVED P01 PRELIMINARY 10 6 2009 P0 THIS DOCUMENT IS CONTROLLED TO FLIR TECHNOLOGY LEVEL 1 LBS IDD TAU 640x512 CAMERA CORE 35mm...

Страница 80: ...N 49 PIN 50 020 A B M C 010 A B C OPTICAL C L REVISIONS ZONE REV DESCRIPTION DATE APPROVED P01 PRELIMINARY 9 10 2009 P0 THIS DOCUMENT IS CONTROLLED TO FLIR TECHNOLOGY LEVEL 1 LBS IDD TAU 640x512 CAMER...

Страница 81: ...M C 010 A B C OPTICAL C L REVISIONS ZONE REV DESCRIPTION DATE APPROVED P01 PRELIMINARY 9 10 2009 P0 THIS DOCUMENT IS CONTROLLED TO FLIR TECHNOLOGY LEVEL 1 LBS IDD TAU 640x512 CAMERA CORE 100mm f1 6 LE...

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